CN111660241A - Multi-head screw tightening device capable of preventing screw from being scratched - Google Patents
Multi-head screw tightening device capable of preventing screw from being scratched Download PDFInfo
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- CN111660241A CN111660241A CN202010370284.9A CN202010370284A CN111660241A CN 111660241 A CN111660241 A CN 111660241A CN 202010370284 A CN202010370284 A CN 202010370284A CN 111660241 A CN111660241 A CN 111660241A
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- 241000587161 Gomphocarpus Species 0.000 claims description 72
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 238000006748 scratching Methods 0.000 claims 8
- 230000002393 scratching effect Effects 0.000 claims 8
- 244000309464 bull Species 0.000 claims 1
- 238000009434 installation Methods 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/12—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a multi-head screw tightening device for preventing a screw from being scratched, which comprises a cylindrical screw and a tightening head, wherein the cylindrical screw is arranged at the lower end of the tightening head, a hexagonal screw head is arranged at the upper end of the cylindrical screw, six guide clamping balls are uniformly arranged on the outer wall of the tightening head at the outer side of the bottom of a screw head clamping groove, the six guide clamping balls are vertically kept tangent with the inner wall of the screw head clamping groove, the tightening head can be conveniently and automatically adjusted in a rotating way under the action of the six guide clamping balls, so that the screw head clamping groove on the outer wall of the lower end of the tightening head can be approximately aligned with the hexagonal screw head, and the hexagonal screw head can automatically slide into the screw head clamping groove when the tightening head is pressed downwards, so that the hexagonal screw head can be conveniently and quickly positioned, the situation that the surface of the screw is scratched due to large friction between the tightening head and the hexagonal screw head is avoided, and, the physical power is saved more, and the work efficiency is improved.
Description
Technical Field
The invention belongs to the technical field related to screw installation, and particularly relates to a multi-head screw tightening device capable of preventing a screw from being scratched.
Background
The Screw is a Screw (foreign name: Screw) which is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and friction of the object. Screws are a common term for fasteners, a common spoken word. Screws are a common fastener and are widely used in machinery, electrical appliances and buildings. Generally, the material is metal or plastic, and is cylindrical, and the grooves with the concave and convex surfaces are called as screw threads. For more labor-saving and convenient installation of screws, a tightening head is usually used to assist installation.
The existing screw tightening head technology for screw installation has the following problems: before the cylindrical screw is installed on a tightening head, a hexagonal nail head at the upper end of the cylindrical screw needs to be installed in a nail head installation groove at the lower end of the tightening head, the hexagonal nail head needs to be manually aligned during installation, scratch is easily caused to the surface of the nail head if deviation occurs during alignment, therefore, energy needs to be consumed, after the cylindrical screw is installed on the tightening head, the cylindrical screw frequently shakes due to poor fixation, so that the hexagonal nail head is inclined during installation, scratch is easily caused to the surface thread of the cylindrical screw and damage is caused to the top screw head of the cylindrical screw during forced installation, and the service life of the screw is greatly influenced.
Disclosure of Invention
The invention aims to provide a multi-head screw tightening device for preventing a screw from being scratched, and the multi-head screw tightening device is used for solving the problems that the surface of a hexagonal screw head is easily scratched when deviation occurs and a cylindrical screw is easily shaken after being installed on a tightening head because the hexagonal screw head is installed in a screw head installation groove at the lower end of the tightening head, which are proposed in the background technology, manually aligned.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-head screw tightening device for preventing a screw from being scratched comprises a cylindrical screw and a tightening head, wherein the cylindrical screw is arranged at the lower end of the tightening head, a hexagonal screw head is arranged at the upper end of the cylindrical screw, the outer wall of the upper end of the tightening head is connected with a rotating shaft lever, the outer wall of the lower end of the tightening head is provided with a nail head clamping groove, a stretching chamber is arranged in the tightening heads on the left side and the right side of the nail head clamping groove, telescopic sleeves are arranged in the upper end and the lower end of the stretching chamber, stretching rods extending outwards are arranged in the telescopic sleeves, one end of the inner side of the stretching rod is provided with a limit clamping pin, the limit clamping pin is fixedly connected with the telescopic sleeve through a compression spring, the left end and the right end of the compression spring are connected with spring rubber rings, one end of the outer side of the stretching rod is connected with a current-conducting plate, and the outer wall of one end of the outer side of the current-conducting plate is connected with an electromagnet.
Preferably, the outer wall of the upper end of the conductive plate is provided with a conductive antenna, a wire slot is formed in the tightening head on the upper side of the conductive antenna, and the electromagnet on the outer wall of one end of the outer side of the conductive plate is electrically connected with an external power supply through the conductive antenna.
Preferably, the cross section of the nail head clamping groove is regular hexagon, and the hexagonal nail head fixing clamp at the upper end of the cylindrical screw is placed in the nail head clamping groove.
Preferably, the number of the stretching chambers is two, and the two stretching chambers and the nail head clamping groove are mutually communicated.
Preferably, the limiting clamping foot at one end of the inner side of the stretching rod is fixedly clamped in the telescopic sleeve, and the telescopic sleeve, the limiting clamping foot and the circle center of the stretching rod are transversely arranged on the same straight line.
Preferably, the left end and the right end of the compression spring are fixedly embedded in the spring rubber rings, and the two spring rubber rings are fixedly attached to the opposite inner walls of the telescopic sleeve and the limiting clamping pins respectively.
Preferably, the two electromagnets on the left side and the right side of the nail head clamping groove are kept in a parallel state, and the two electromagnets are the same in length.
Preferably, the guide clamping balls are provided with six, the diameters of the circumferences of the six guide clamping balls are the same, and connecting lines among the six guide clamping balls are in a regular hexagon structure.
Preferably, the lowest end of the nail head clamping groove and the outer wall of the lower end of the tightening head are arc-shaped smooth curved surfaces.
Compared with the existing screw tightening head technology for screw installation, the invention provides a multi-head screw tightening device for preventing a screw from being scratched, which has the following beneficial effects:
1. the six guide clamp balls are uniformly arranged on the outer wall of the tightening head at the outer side of the bottom of the nail head clamping groove, the six guide clamp balls are vertically tangent to the inner wall of the nail head clamping groove, the tightening head can be conveniently and automatically rotated and adjusted under the action of the six guide clamp balls, so that the nail head clamping groove on the outer wall of the lower end of the tightening head can be approximately aligned with the hexagonal nail head, the hexagonal nail head can be limited by blocking of the six guide clamp balls when the tightening head is pressed downwards, the hexagonal nail head can only store a fixed angle, the hexagonal nail head can conveniently fall into the lower end of the nail head clamping groove, the hexagonal nail head can automatically slide into the nail head clamping groove due to the smooth curved surface of the lowest end of the nail head clamping groove and the outer wall of the lower end of the tightening head, the hexagonal nail head can be conveniently and quickly positioned, and the situation that the surface of the screw is scratched due to large friction between the tightening head and the hexagonal nail head is avoided, the manual fixing mode is replaced, so that the physical strength is saved, and the working efficiency is improved;
2. when the two electromagnets are in a power-on state to fixedly clamp the hexagonal nail head placed in the nail head clamping groove, the compression spring in the telescopic sleeve is in a stretching state and has certain elastic potential energy, and when the power supply is turned off to stop the screwing head, the two electromagnets in the stretching chamber lose electric energy to eliminate magnetic force, and at the moment, the two electromagnets can be inwards recycled and retracted into the stretching chamber under the action of the elastic force of the compression spring in the telescopic sleeve, so that the screwing head is easily taken down from the cylindrical screw.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic structural view of a multi-head screw tightening device for preventing scratches of screws according to the present invention;
fig. 2 is a schematic view of the internal structure of the tightening head according to the present invention;
FIG. 3 is a schematic view of the internal structure of the telescopic tube according to the present invention;
FIG. 4 is a schematic view of a tightening head connection structure according to the present invention;
in the figure: 1. a cylindrical screw; 2. a hexagonal head; 3. tightening a head; 4. a nail head clamping groove; 5. rotating the shaft lever; 6. a wire chase; 7. a stretching chamber; 8. a conductive plate; 9. an electromagnet; 10. a telescopic sleeve; 11. A spring rubber ring; 12. a compression spring; 13. a limiting clamp pin; 14. a stretch rod; 15. a conductive antenna; 16. Guiding and clamping the ball; 17. and supporting the mandril.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a multi-head screw tightening device for preventing a screw from being scratched comprises a cylindrical screw 1 and a tightening head 3, wherein the cylindrical screw 1 is installed at the lower end of the tightening head 3, a hexagonal screw head 2 is arranged at the upper end of the cylindrical screw 1, a rotating shaft rod 5 is connected to the outer wall of the upper end of the tightening head 3, a screw head clamping groove 4 is arranged on the outer wall of the lower end of the tightening head 3, the lowest end of the screw head clamping groove 4 and the outer wall of the lower end of the tightening head 3 are in an arc smooth curved surface, the tightening head 3 can be conveniently rotated and adjusted under the action of six guiding clamping balls 16, so that the screw head clamping groove 4 on the outer wall of the lower end of the tightening head 3 can be aligned with the hexagonal screw head 2, and when the tightening head 3 is pressed downwards, the hexagonal screw head 2 can only keep a fixed angle due to the blocking of the six guiding clamping balls 16, the hexagonal screw head 2 can conveniently fall into the lower end of the screw head clamping groove 4, and the lowest end, hexagonal pin head 2 can automatic landing to in pin head draw-in groove 4, thereby conveniently carry out the fast position that falls to hexagonal pin head 2, thereby avoid producing great friction between screw head 3 and hexagonal pin head 2 and lead to the fish tail to appear on the screw surface, the cross section of pin head draw-in groove 4 is regular hexagon, the hexagonal pin head 2 fixing clip of cylindrical screw 1 upper end is put in pin head draw-in groove 4, pin head draw-in groove 4 of screw head 3 lower extreme and hexagonal pin head 2 of cylindrical screw 1 upper end agree with each other, make can place cylindrical screw 1 in screw head draw-in groove 4 of screw head 3 lower extreme before the installation, and fix cylindrical screw 1, thereby stopped screw head 3 to the damage on cylindrical screw 1 surface, play certain guard action to cylindrical screw 1.
A multi-head screw tightening device for preventing a screw from being scratched comprises two stretching chambers 7 arranged inside tightening heads 3 on the left side and the right side of a nail head clamping groove 4, wherein the two stretching chambers 7 are respectively communicated with the nail head clamping groove 4, so that electromagnets 9 in the two stretching chambers 7 on the two sides of the nail head clamping groove 4 can extend outwards to fix and clamp a hexagonal nail head 2 placed in the nail head clamping groove 4, the situation that the surface threads of a cylindrical screw 1 are scratched due to the fact that the cylindrical screw 1 is tilted when the cylindrical screw 1 is installed is avoided, the continuous use of the cylindrical screw 1 is influenced, telescopic sleeves 10 are arranged inside the upper end and the lower end of each stretching chamber 7, a stretching rod 14 extending outwards is arranged inside each telescopic sleeve 10, a limiting clamping pin 13 is arranged at one end of the inner side of each stretching rod 14, and the limiting clamping pin 13 at one end of the inner side of each stretching rod 14 is fixedly clamped in the telescopic sleeves 10, the center of a circle of the telescopic tube 10, the limiting clamping leg 13 and the stretching rod 14 is transversely on the same straight line, the stretching rod 14 is fixedly limited on the telescopic tube 10 through the limiting clamping leg 13, so that the telescopic tube 10, the limiting clamping leg 13 and the stretching rod 14 form an integral structure, and the stretching rod 14 is prevented from being separated from the telescopic tube 10 under the pushing of the compression spring 12 under the action of the limiting clamping leg 13.
A multi-head screw tightening device for preventing a screw from being scratched comprises a limit clamping pin 13 and an expansion sleeve 10 which are fixedly connected through a compression spring 12, the left end and the right end of the compression spring 12 are connected with spring rubber rings 11, the left end and the right end of the compression spring 12 are fixedly embedded in the spring rubber rings 11, the two spring rubber rings 11 are fixedly attached to the opposite inner walls of the expansion sleeve 10 and the limit clamping pin 13 respectively, the expansion sleeve 10 and the limit clamping pin 13 are mutually connected through the compression spring 12, when a tightening head 3 is in a working state, two electromagnets 9 at the left side and the right side of a nail head clamping groove 4 can generate magnetic force when acquiring electric energy, so that the two electromagnets 9 are close to each other, the compression spring 12 inside the expansion sleeve 10 has certain elastic potential energy in a stretching state, when the tightening head 3 stops working, the two electromagnets 9 lose the electric energy to eliminate the magnetic force, at this time, the two electromagnets 9 can be retracted inward by the elastic force of the compression spring 12 inside the telescopic tube 10, thereby the tightening head 3 is easy to be taken down from the cylindrical screw 1, one end of the outer side of the stretching rod 14 is connected with the conductive plate 8, the outer wall of one end of the outer side of the conductive plate 8 is connected with the electromagnet 9, the two electromagnets 9 at the left and right sides of the nail head clamping groove 4 are kept in a parallel state, the length of the two electromagnets 9 is the same, the two electromagnets 9 at the left and right sides of the nail head clamping groove 4 are symmetrically arranged, after the two electromagnets 9 are electrically connected with an external power supply through the conductive antenna 15 on the outer wall of the upper end of the conductive plate 8, electric energy can be obtained to generate strong magnetic force, thereby drawing close each other and pressing from both sides the hexagonal pin head 2 of placing in pin head draw-in groove 4 inside for cylindrical screw 1 can firmly be fixed in pin head draw-in groove 4.
A multi-head screw tightening device for preventing a screw from being scratched comprises a tightening head 3, wherein a supporting ejector rod 17 is connected to the outer wall of the lower end of the tightening head 3, the lower end of the supporting ejector rod 17 is connected with six guide clamping balls 16, the circumferential diameters of the six guide clamping balls 16 are the same, connecting lines among the six guide clamping balls 16 are in a regular hexagon structure, the six guide clamping balls 16 are uniformly distributed on the outer wall of the tightening head 3 on the outer side of the bottom of a nail head clamping groove 4, and the six guide clamping balls 16 are vertically tangent to the inner wall of the nail head clamping groove 4, so that when the tightening head 3 is placed at the upper end of a hexagonal nail head 2, the hexagonal nail head 2 can be guided into the nail head clamping groove 4 through the spherical cambered surfaces of the six guide clamping balls 16, the hexagonal nail head 2 can accurately fall into the nail head clamping groove 4 on the outer wall of the lower end of the tightening head 3, and the hexagonal nail head 2 can be driven, replace manual work, avoid causing the fish tail to hexagonal pin head 2, be provided with electrically conductive feeler 15 on the upper end outer wall of current conducting plate 8, the inside wire casing 6 that is provided with of the screw head 3 of electrically conductive feeler 15 upside, electro-magnet 9 on the outer wall of the one end in the current conducting plate 8 outside passes through electrically conductive feeler 15 and external power source electric connection.
The working principle and the using process of the invention are as follows: after the invention is installed, as the lower end of the screw head 3 is provided with the nail head clamping groove 4 which is mutually matched with the hexagonal nail head 2 at the upper end of the cylindrical screw 1, the outer wall of the screw head 3 at the outer side of the bottom of the nail head clamping groove 4 is uniformly distributed with six guiding clamping balls 16, as the six guiding clamping balls 16 and the inner wall of the nail head clamping groove 4 keep a tangential state vertically, the screw head 3 can be conveniently rotated and adjusted under the action of the six guiding clamping balls 16, so that the nail head clamping groove 4 on the outer wall of the lower end of the screw head 3 can be aligned with the hexagonal nail head 2, and when the screw head 3 is pressed downwards, the hexagonal nail head 2 can only store a fixed angle through the blocking of the six guiding clamping balls 16, thereby the hexagonal nail head 2 can conveniently fall into the lower end of the nail head clamping groove 4, and because the lowest end of the nail head clamping groove 4 and the smooth curved surface of the outer wall of the lower, the hexagonal nail head 2 can automatically slide into the nail head clamping groove 4, so that the hexagonal nail head 2 can be conveniently and quickly positioned, the situation that the surface of the screw is scratched due to large friction between the screw head 3 and the hexagonal nail head 2 is avoided, the hexagonal nail head 2 can be placed in the nail head clamping groove 4 before installation of the cylindrical screw 1, the two sides of the nail head clamping groove 4 are provided with the stretching chambers 7 communicated with the nail head clamping groove, the stretching chambers 7 are symmetrically provided with the two electromagnets 9, after the two electromagnets 9 are electrically connected with an external power supply through the conductive feeler 15 on the outer wall of the upper end of the conductive plate 8, electric energy can be obtained to generate strong magnetic force, the hexagonal nail head 2 placed in the nail head clamping groove 4 is clamped tightly, the cylindrical screw 1 can be firmly fixed in the nail head clamping groove 4, and the compression spring 12 in the telescopic sleeve 10 has certain elastic potential energy in a stretching state, the tightening head 3 is connected with a rotating motor through a rotating shaft rod 5, so that the cylindrical screw 1 can be quickly installed at a designated position, after the cylindrical screw 1 is installed, the power supply is turned off to stop the tightening head 3, the two electromagnets 9 in the stretching chamber 7 lose electric energy to eliminate magnetic force, at the moment, the two electromagnets 9 can be retracted inwards to the stretching chamber 7 under the action of the elastic force of a compression spring 12 inside the telescopic sleeve 10, so that the tightening head 3 is easily taken down from the cylindrical screw 1, and the thread surface of the cylindrical screw 1 is prevented from being scratched.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a prevent bull screw tightening device of screw fish tail, includes cylindrical screw (1) and tightening head (3), its characterized in that: the screw is characterized in that the cylindrical screw (1) is installed at the lower end of a tightening head (3), a hexagonal screw head (2) is arranged at the upper end of the cylindrical screw (1), a rotating shaft rod (5) is connected to the outer wall of the upper end of the tightening head (3), a screw head clamping groove (4) is formed in the outer wall of the lower end of the tightening head (3), stretching chambers (7) are arranged in the tightening heads (3) on the left side and the right side of the screw head clamping groove (4), telescopic sleeves (10) are arranged in the upper end and the lower end of each stretching chamber (7), stretching rods (14) extending outwards are arranged in the telescopic sleeves (10), limiting clamping feet (13) are arranged at one ends of the inner sides of the stretching rods (14), the limiting clamping feet (13) are fixedly connected with the telescopic sleeves (10) through compression springs (12), and spring rubber rings (11) are connected to the left end and the right end of, the outer side one end of the stretching rod (14) is connected with a conductive plate (8), the outer wall of one end of the outer side of the conductive plate (8) is connected with an electromagnet (9), the outer wall of the lower end of the tightening head (3) is connected with a supporting ejector rod (17), and the lower end of the supporting ejector rod (17) is connected with a guiding clamping ball (16).
2. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: be provided with on the upper end outer wall of current conducting plate (8) conductive antenna (15), the inside wire casing (6) that is provided with of tightening head (3) of conductive antenna (15) upside, electro-magnet (9) on the outer wall of current conducting plate (8) outside one end are through conductive antenna (15) and external power source electric connection.
3. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: the cross section of the nail head clamping groove (4) is in a regular hexagon shape, and the hexagonal nail head (2) at the upper end of the cylindrical screw (1) is fixedly clamped in the nail head clamping groove (4).
4. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: the two stretching chambers (7) are respectively arranged, and the two stretching chambers (7) are communicated with the nail head clamping groove (4).
5. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: the limiting clamping foot (13) at one end of the inner side of the stretching rod (14) is fixedly clamped in the telescopic sleeve (10), and the telescopic sleeve (10), the limiting clamping foot (13) and the circle center of the stretching rod (14) are transversely arranged on the same straight line.
6. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: the left end and the right end of the compression spring (12) are fixedly embedded in spring rubber rings (11), and the two spring rubber rings (11) are fixedly attached to the opposite inner walls of the telescopic sleeve (10) and the limiting clamping pins (13) respectively.
7. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: the two electromagnets (9) on the left side and the right side of the nail head clamping groove (4) are kept in a parallel state, and the two electromagnets (9) are the same in length.
8. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: six guiding clip balls (16) are arranged, the diameters of the circumferences of the six guiding clip balls (16) are the same, and connecting lines among the six guiding clip balls (16) are of a regular hexagon structure.
9. The multi-head screw tightening device for preventing scratching of a screw according to claim 1, wherein: the lowest end of the nail head clamping groove (4) and the outer wall of the lower end of the tightening head (3) are arc-shaped smooth curved surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370284.9A CN111660241B (en) | 2020-04-30 | 2020-04-30 | Multi-head screw tightening device capable of preventing screw scratch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370284.9A CN111660241B (en) | 2020-04-30 | 2020-04-30 | Multi-head screw tightening device capable of preventing screw scratch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111660241A true CN111660241A (en) | 2020-09-15 |
| CN111660241B CN111660241B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010370284.9A Active CN111660241B (en) | 2020-04-30 | 2020-04-30 | Multi-head screw tightening device capable of preventing screw scratch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134720A (en) * | 2021-04-09 | 2021-07-20 | 昆山市嘉驭汽车饰件有限公司 | Arranging device and method for automatic nailing of automobile wrapping layer |
| CN113941975A (en) * | 2021-11-11 | 2022-01-18 | 中国核动力研究设计院 | Positioning mechanism and valve stroke control mechanism adjustment auxiliary device based on positioning mechanism |
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| CN113941975A (en) * | 2021-11-11 | 2022-01-18 | 中国核动力研究设计院 | Positioning mechanism and valve stroke control mechanism adjustment auxiliary device based on positioning mechanism |
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